Yaesu FT-2000 - MENU MODE LIST, Техническое дополнение

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ALIGNMENT-8
Alignment
FM Gain Adjustment
ˆ
Set the following controls as indicated:
[ANT 1/2] button: ANT 1
[IPO] button: AMP1
[ATT] button: OFF
[R.FLT] button: 15 kHz
[AGC] button: AUTO
[RF GAIN] knob: Fully clockwise
[VRF] button: THRU
ˆ
Set the RF Signal Generator to 12 dB μ at the
28.8500 MHz with ±3.5 kHz deviation FM modu-
lation of a 1 kHz audio signal.
ˆ
Set the Main Band (VFO-A) frequency to 28.850
MHz in the FM-W mode.
ˆ
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “b32 FnG.”
ˆ
Rotate the [SUB(VFO-B)] knob so that the Main
S-meter reading is “S-3.”
ˆ
Press and hold in the [MENU] button for 2 sec-
onds to save the new setting and exit from the
alignment mode.
ˆ
Set the RF Signal Generator to 12 dB μ at the 52.000
MHz with ±3.5 kHz deviation FM modulation of
a 1 kHz audio signal.
ˆ
Set the Main Band (VFO-A) frequency to 52.000
MHz in the FM-W mode.
ˆ
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode again.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “b33 FnG.”
ˆ
Rotate the [SUB(VFO-B)] knob so that the Main
S-meter reading is “S-3.”
ˆ
Press and hold in the [MENU] button for 2 sec-
onds to save the new setting and exit from the
alignment mode.
DVS Unit Adjustment
ˆ
Connect the Ohmmeter lead between TP2905 and
ground on the DVS Unit.
ˆ
Adjust VR2901 on the DVS Unit for 40 k-Ohms
(±200 Ohms) on the Ohmmeter.
Sub Receiver Adjustment
2nd/3rd Local Level Adjustment
ˆ
Set the following controls as indicated:
[ANT 1/2] button: ANT 1
[IPO] button: AMP1
[ATT] button: OFF
[AGC] button: AUTO
[RF GAIN] knob: Fully clockwise
[SUB RX] button: ON
ˆ
Connect the RF millivoltmeter to TP4501 on the
RX-2 Unit.
ˆ
Adjust T4521 and T4501 on the RX-2 Unit for
maximum deflection on the RF millivoltmeter
(more than + 8 dBm).
ˆ
Connect the RF millivoltmeter to TP4502 on the
RX-2 Unit.
ˆ
Adjust T4504 on the RX-2 Unit for maximum
deflection on the RF millivoltmeter (more than +
6 dBm).
IF Transformer Adjustment
ˆ
Set the following controls as indicated:
[ANT 1/2] button: ANT 1
[IPO] button: AMP1
[ATT] button: OFF
[AGC] button: AUTO
[RF GAIN] knob: Fully clockwise
[SUB RX] button: ON
ˆ
Set the Sub Band (VFO-B) frequency to 14.200
MHz in the CW mode.
ˆ
Connect the AC millivoltmeter and 4 Ohm
dummy load to the EXT SP jack.
ˆ
Connect the RF Signal Generator to the “ANT 1”
jack, then set the output level to 0 dB
μ at the
14.200 MHz.
DVS U
NIT
A
LIGNMENT
P
OINTS
VR2901
TP2905